<template>
  <div class="app-container">
    <div class="search-container">
      <el-form ref="queryFormRef" :model="queryParams" :inline="true">
        <el-form-item prop="keywords" label="关键字">
          <el-input
              v-model="queryParams.keywords"
              placeholder="角色名称"
              clearable
              @keyup.enter="handleQuery"
          />
        </el-form-item>

        <el-form-item>
          <el-button type="primary" @click="handleQuery"
          >
            <i-ep-search/>
            搜索
          </el-button
          >
          <el-button @click="handleResetQuery">
            <i-ep-refresh/>
            重置
          </el-button>
        </el-form-item>
      </el-form>
    </div>

    <el-card shadow="never" class="table-container">
      <template #header>
        <el-button type="success" @click="openDialog()"
        >
          <i-ep-plus/>
          新增
        </el-button
        >
        <el-button
            type="danger"
            :disabled="ids.length === 0"
            @click="handleDelete()"
        >
          <i-ep-delete/>
          删除
        </el-button
        >
      </template>

      <el-table
          ref="dataTableRef"
          v-loading="loading"
          :data="roleList"
          highlight-current-row
          border
          @selection-change="handleSelectionChange"
      >
        <el-table-column type="selection" width="55" align="center"/>
        <el-table-column label="角色名称" prop="name"/>
        <el-table-column label="角色编码" prop="code" align="center" width="150"/>

        <el-table-column label="状态" align="center" width="100">
          <template #default="scope">
            <el-tag v-if="scope.row.status === 1" type="success">正常</el-tag>
            <el-tag v-else type="info">禁用</el-tag>
          </template>
        </el-table-column>

        <el-table-column label="描述" prop="desc"/>

        <el-table-column fixed="right" label="操作" width="220">
          <template #default="scope">
            <el-button
                type="primary"
                size="small"
                link
                @click="openMenuDialog(scope.row)"
            >
              <i-ep-position/>
              分配权限
            </el-button>
            <el-button
                type="primary"
                size="small"
                link
                @click="openDialog(scope.row)"
            >
              <i-ep-edit/>
              编辑
            </el-button>
            <el-button
                type="danger"
                size="small"
                link
                @click="handleDelete(scope.row.id)"
            >
              <i-ep-delete/>
              删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
          v-if="total > 0"
          v-model:total="total"
          v-model:page="queryParams.pageNum"
          v-model:limit="queryParams.pageSize"
          @pagination="handleQuery"
      />
    </el-card>

    <!-- 角色表单弹窗 -->
    <el-dialog
        v-model="dialog.visible"
        :title="dialog.title"
        width="500px"
        @close="closeDialog"
    >
      <el-form
          ref="roleFormRef"
          :model="formData"
          :rules="rules"
          label-width="100px"
      >
        <el-form-item label="角色名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入角色名称"/>
        </el-form-item>

        <el-form-item label="角色编码" prop="code">
          <el-input v-model="formData.code" placeholder="请输入角色编码"/>
        </el-form-item>

        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="formData.status">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="0">停用</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="描述" prop="sort">
          <el-input v-model="formData.desc" placeholder="请输入角色描述"/>
        </el-form-item>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleSubmit">确 定</el-button>
          <el-button @click="closeDialog">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <!-- 分配菜单弹窗  -->
    <el-dialog
        v-model="menuDialogVisible"
        :title="'【' + checkedRole.name + '】权限分配'"
        width="800px"
    >
      <el-scrollbar v-loading="loading" max-height="600px">
        <el-tree
            ref="menuRef"
            node-key="value"
            show-checkbox
            :data="menuList"
            :default-expand-all="true"
        >
          <template #default="{ data }">
            {{ data.label }}
          </template>
        </el-tree>
      </el-scrollbar>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleRoleMenuSubmit"
          >确 定
          </el-button
          >
          <el-button @click="menuDialogVisible = false">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
import RoleAPI from "@/api/role";
import MenuAPI from "@/api/menu";

import {RoleForm, RolePageVO, RoleQuery} from "@/api/role/model";

defineOptions({
  name: "Role",
  inheritAttrs: false,
});

const queryFormRef = ref(ElForm);
const roleFormRef = ref(ElForm);
const menuRef = ref(ElTree);

const loading = ref(false);
const ids = ref<number[]>([]);
const total = ref(0);

const queryParams = reactive<RoleQuery>({
  pageNum: 1,
  pageSize: 10,
});

const roleList = ref<RolePageVO[]>();

const dialog = reactive({
  title: "",
  visible: false,
});

const formData = reactive<RoleForm>({
  desc: "",
  status: 1,
  code: "",
  name: "",
});

const rules = reactive({
  name: [{required: true, message: "请输入角色名称", trigger: "blur"}],
  code: [{required: true, message: "请输入角色编码", trigger: "blur"}],
  dataScope: [{required: true, message: "请选择数据权限", trigger: "blur"}],
  status: [{required: true, message: "请选择状态", trigger: "blur"}],
});

const menuDialogVisible = ref(false);

const menuList = ref<OptionType[]>([]);

interface CheckedRole {
  id?: number;
  name?: string;
}

let checkedRole: CheckedRole = reactive({});

/** 查询 */
function handleQuery() {
  loading.value = true;
  RoleAPI.getPage(queryParams)
      .then((response) => {
        let data = response.data
        roleList.value = data.records;
        total.value = data.total;
      })
      .finally(() => {
        loading.value = false;
      });
}

/** 重置查询 */
function handleResetQuery() {
  queryFormRef.value.resetFields();
  queryParams.pageNum = 1;
  handleQuery();
}

/** 行checkbox 选中事件 */
function handleSelectionChange(selection: any) {
  ids.value = selection.map((item: any) => item.id);
}

/** 打开角色表单弹窗 */
function openDialog(row?: any) {
  dialog.visible = true;
  if (row && row.id) {
    dialog.title = "修改角色";
    setTimeout(() => {
      Object.assign(formData, row);
    });
  } else {
    dialog.title = "新增角色";
  }
}

/** 角色保存提交 */
function handleSubmit() {
  roleFormRef.value.validate((valid: any) => {
    if (valid) {
      loading.value = true;
      const roleId = formData.id;
      if (roleId) {
        RoleAPI.update(formData)
            .then((response) => {
              if (response.status) {
                ElMessage.success("修改成功");
              }
              closeDialog();
              handleResetQuery();
            })
            .finally(() => (loading.value = false));
      } else {
        RoleAPI.add(formData)
            .then((response) => {
              if (response.status) {
                ElMessage.success("新增成功");
                closeDialog();
                handleResetQuery();
              }
            })
            .finally(() => (loading.value = false));
      }
    }
  });
}

/** 关闭表单弹窗 */
function closeDialog() {
  dialog.visible = false;
  resetForm();
}

/** 重置表单 */
function resetForm() {
  roleFormRef.value.resetFields();
  roleFormRef.value.clearValidate();

  formData.id = undefined;
  formData.desc = "";
  formData.status = 1;
}

/** 删除角色 */
function handleDelete(roleId?: number) {
  const roleIds = [roleId || ids.value].join(",");
  if (!roleIds) {
    ElMessage.warning("请勾选删除项");
    return;
  }

  ElMessageBox.confirm("确认删除已选中的数据项?", "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  }).then(() => {
    loading.value = true;
    RoleAPI.deleteByIds(roleIds)
        .then((response) => {
          if (response.status) {
            ElMessage.success("删除成功");
            handleResetQuery();
          }
        })
        .finally(() => (loading.value = false));
  });
}

/** 打开分配菜单弹窗 */
async function openMenuDialog(row: RolePageVO) {
  const roleId = row.id;
  if (roleId) {
    checkedRole = {
      id: roleId,
      name: row.name,
    };
    menuDialogVisible.value = true;
    loading.value = true;

    // 获取所有的菜单
    MenuAPI.getOptions().then((data) => {
      menuList.value = data.data
      // 回显角色已拥有的菜单
      RoleAPI.getRoleMenuIds(roleId)
          .then((response) => {
            response.data.forEach((menuId: any) =>
                menuRef.value.setChecked(menuId, true, false)
            );
          })
          .finally(() => {
            loading.value = false;
          });
    });
  }
}

/** 角色分配菜单保存提交 */
function handleRoleMenuSubmit() {
  const roleId = checkedRole.id;
  if (roleId) {
    const checkedMenuIds: number[] = menuRef.value
        .getCheckedNodes(false, true)
        .map((node: any) => node.value);

    loading.value = true;
    RoleAPI.updateRoleMenus(roleId, checkedMenuIds)
        .then((response) => {
          if (response.status) {
            ElMessage.success("分配权限成功");
            menuDialogVisible.value = false;
            handleResetQuery();
          }
        })
        .finally(() => {
          loading.value = false;
        });
  }
}

onMounted(() => {
  handleQuery();
});
</script>
